. . "Indication of TSI compliant pantograph heads which are allowed to be used. The allowed values for this property belong to the SKOS Concept Scheme http://data.europa.eu/949/concepts/compliant-pantograph-heads/CompliantPantographHeads."@en . "2021-09-11"^^ . "Accepted TSI compliant pantograph heads"@en . . "2020-08-25"^^ . "true"^^ . "1.1.1.2.3.1" . "EPA_TSIHeads" . _:vb1436942 . "stable" . .